General Motors (NYSE:GM) enlisted the help of a team at NASA to conduct a review of the automaker’s ignition-switch testing, according to a source familiar with the recall investigation. The nation’s ...

Almost two weeks ago, GM started shipping redesigned ignition switch kits to Stateside dealership service departments. But are these all-new units safer than their potentially defective predecessors?

An ignition coil takes voltage from the battery and multiplies it to create a spark at the spark plugs, which in turn ignites the engine. Cars have been using some form of the coil ignition system for ...